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Finding the Fourth Proportional to 48,995.75, 73,493.99 and 12,059.75

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Solution

The fourth proportional to 48,995.75, 73,493.99 and 12,059.75 is: 18,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,995.75 : 73,493.99 = 12,059.75 : x
  2. Step 2: Convert to fraction form
    48,995.75/73,493.99 = 12,059.75/x
  3. Step 3: Cross multiply
    48,995.75x = 73,493.99 × 12,059.75
  4. Step 4: Simplify right side
    48,995.75x = 886,319,145.90
  5. Step 5: Solve for x
    x = 886,319,145.90/48,995.75
  6. Step 6: Final answer
    x = 18,089.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.